local action, rest = msg.suffix:match("^[%s]*([^%s]+)[%s]*(.-)[%s]*$")
if not action then
    local pc = msg.char
    local card = loadLua("Maid.overview")(pc)
    setGroupConf(msg.gid, "card#".. msg.uid, card)
    msg.card = card
    return "{self}已修改群名片为{card}√"
elseif action == "auto" then
    local game = msg.game
    if rest == "off" then
        if game.ac then
            game.ac = nil
            return "本桌已取消自动名片√"
        else
            return "本桌已取消自动名片！"
        end
    else
        if game.ac then
            return "本桌已开启自动名片！"
        else
            game.ac = true
            return "本桌已开启自动名片√"
        end
    end
end